La Sal, UT frost dates
Last spring frostMay 17median date
First fall frostOct 6median date
Growing season142 daysfrost-free
Hardiness zone7aZone 7a
How La Sal compares
- In 8 years out of 10, the last spring frost in La Sal falls between April 30 and June 5, a 36-day window. The first fall frost falls between September 24 and October 19.
- The median last frost is 7 days later than the Utah median of May 10.
- Its 142-day growing season is longer than 44% of the 250 Utah places with a regular frost season (state median 148 days).
- The last frost is 31 days later than the zone 7a median of Apr 16. Hardiness zones measure winter cold, not season length, so use these dates rather than a zone 7a chart.
- The weather station records an average of 169 nights a year at or below 32°F.
- Compared with Grand Junction, CO, 104 km away, the last frost here is 24 days later than there and the growing season is 38 days shorter.
Frost probability
| Chance of frost after | Date |
|---|---|
| 90% (early) | April 30 |
| 50% (median) | May 17 |
| 10% (safe for tender plants) | June 5 |
| Chance of frost before | Date |
|---|---|
| 10% (early) | September 24 |
| 50% (median) | October 6 |
| 90% (late) | October 19 |
Frost here means 32°F (0°C). A median date means half of years have their last frost earlier and half later.
Planting calendar for La Sal, UT
La Sal, UT frost dates — last frost May 17, first frost Oct 6, zone 7a. whenisthelastfrost.com
Crop
JFMAMJJASOND
Start indoors: Feb 22 to Mar 8Transplant outside: Apr 19 to May 3
Start indoors: Mar 8 to Mar 22Transplant outside: May 31 to Jun 14
Start indoors: Mar 8 to Mar 22Transplant outside: May 31 to Jun 14
Start indoors: Mar 22 to Apr 5Transplant outside: May 24 to Jun 7
Start indoors: Mar 22 to Apr 5Transplant outside: Apr 26 to May 10Sow outdoors: Apr 19 to May 24Plant for fall: Aug 11 to Sep 8
Start indoors: Mar 22 to Apr 5Transplant outside: Apr 19 to May 3Sow outdoors: Apr 19 to May 3Plant for fall: Jul 28 to Aug 18
Start indoors: Mar 22 to Apr 5Transplant outside: May 3 to May 17Plant for fall: Jun 30 to Jul 21
Start indoors: Mar 22 to Apr 5Transplant outside: Apr 26 to May 10Plant for fall: Jun 30 to Jul 21
Start indoors: Mar 22 to Apr 5Transplant outside: May 3 to May 17Plant for fall: Jun 30 to Jul 21
Start indoors: Apr 5 to Apr 19Transplant outside: Jun 7 to Jun 21Sow outdoors: Jun 7 to Jun 21
Start indoors: Apr 5 to Apr 19Transplant outside: May 24 to Jun 7
Sow outdoors: Apr 5 to Apr 26Plant for fall: Jul 14 to Aug 4
Sow outdoors: Apr 5 to Apr 26Plant for fall: Aug 11 to Sep 1
Sow outdoors: Apr 12 to May 24Plant for fall: Aug 25 to Sep 15
Start indoors: Apr 19 to Apr 26Transplant outside: May 31 to Jun 7Sow outdoors: May 24 to Jun 7Plant for fall: Jul 21 to Aug 4
Start indoors: Apr 19 to Apr 26Sow outdoors: May 24 to Jun 7Plant for fall: Jul 28 to Aug 11
Start indoors: Apr 19 to Apr 26Sow outdoors: May 24 to Jun 7
Start indoors: Apr 19 to Apr 26Transplant outside: May 31 to Jun 14
Sow outdoors: Apr 26 to May 24Plant for fall: Jul 14 to Jul 28
Sow outdoors: Apr 26 to May 24Plant for fall: Jul 28 to Aug 11
Sow outdoors: Apr 26 to May 17
Sow outdoors: May 3 to May 31Plant for fall: Jul 28 to Aug 11
Sow outdoors: May 3 to May 24Plant for fall: Aug 11 to Sep 1
Sow outdoors: May 24 to Jun 14Plant for fall: Jul 21 to Aug 4
Sow outdoors: May 24 to Jun 7
Transplant outside: May 31 to Jun 21
Plant for fall: Sep 22 to Oct 27
Start indoorsTransplant outsideSow outdoorsPlant for fallMedian frost dates
When to plant vegetables in La Sal, UT
| Crop | Start indoors | Transplant | Sow outdoors | Fall crop |
|---|---|---|---|---|
| Onions | Feb 22 – Mar 8 | Apr 19 – May 3 | — | — |
| Peppers | Mar 8 – Mar 22 | May 31 – Jun 14 | — | — |
| Eggplant | Mar 8 – Mar 22 | May 31 – Jun 14 | — | — |
| Tomatoes | Mar 22 – Apr 5 | May 24 – Jun 7 | — | — |
| Lettuce | Mar 22 – Apr 5 | Apr 26 – May 10 | Apr 19 – May 24 | Aug 11 – Sep 8 |
| Kale | Mar 22 – Apr 5 | Apr 19 – May 3 | Apr 19 – May 3 | Jul 28 – Aug 18 |
| Broccoli | Mar 22 – Apr 5 | May 3 – May 17 | — | Jun 30 – Jul 21 |
| Cabbage | Mar 22 – Apr 5 | Apr 26 – May 10 | — | Jun 30 – Jul 21 |
| Cauliflower | Mar 22 – Apr 5 | May 3 – May 17 | — | Jun 30 – Jul 21 |
| Okra | Apr 5 – Apr 19 | Jun 7 – Jun 21 | Jun 7 – Jun 21 | — |
| Basil | Apr 5 – Apr 19 | May 24 – Jun 7 | — | — |
| Peas | — | — | Apr 5 – Apr 26 | Jul 14 – Aug 4 |
| Spinach | — | — | Apr 5 – Apr 26 | Aug 11 – Sep 1 |
| Radishes | — | — | Apr 12 – May 24 | Aug 25 – Sep 15 |
| Cucumbers | Apr 19 – Apr 26 | May 31 – Jun 7 | May 24 – Jun 7 | Jul 21 – Aug 4 |
| Zucchini & Summer Squash | Apr 19 – Apr 26 | — | May 24 – Jun 7 | Jul 28 – Aug 11 |
| Winter Squash & Pumpkins | Apr 19 – Apr 26 | — | May 24 – Jun 7 | — |
| Melons & Watermelon | Apr 19 – Apr 26 | May 31 – Jun 14 | — | — |
| Carrots | — | — | Apr 26 – May 24 | Jul 14 – Jul 28 |
| Beets | — | — | Apr 26 – May 24 | Jul 28 – Aug 11 |
| Potatoes | — | — | Apr 26 – May 17 | — |
| Swiss Chard | — | — | May 3 – May 31 | Jul 28 – Aug 11 |
| Cilantro | — | — | May 3 – May 24 | Aug 11 – Sep 1 |
| Green Beans | — | — | May 24 – Jun 14 | Jul 21 – Aug 4 |
| Sweet Corn | — | — | May 24 – Jun 7 | — |
| Sweet Potatoes | — | May 31 – Jun 21 | — | — |
| Garlic | — | — | — | Sep 22 – Oct 27 |
Dates come from the median frost dates and common extension-service timing. Adjust for your soil temperature, microclimate and the varieties you grow.
About these dates
Based on 1991–2020 NOAA climate normals for the La Sal 1sw, UT weather station, 2 km away (elevation 6,788 ft (2,069 m)).
Frost dates near La Sal
- Moab Apr 11 · Oct 23
- Monticello May 19 · Oct 2
- Cisco Apr 27 · Oct 9
- Blanding Apr 28 · Oct 21
- Thompson Apr 22 · Oct 20
- Lake Powell Mar 9 · Nov 20
- Green River Apr 22 · Oct 20
- Bluff Apr 24 · Oct 13
- Montezuma Creek May 2 · Oct 10
- Aneth May 2 · Oct 10
Frequently asked questions
When is the last frost in La Sal, UT?
The median last spring frost in La Sal, UT is May 17. There is still about a 10% chance of frost after June 5, so wait until then to plant frost-tender crops like tomatoes and peppers.
When is the first frost in La Sal, UT?
The median first fall frost is October 6, with about a 10% chance of frost before September 24.
How long is the growing season in La Sal, UT?
About 142 days between the median last spring frost and first fall frost.
What planting zone is La Sal, UT?
La Sal, UT is in USDA hardiness zone 7a.